KodNest Full Stack Software Developer Interview Questions and Answers

Q1. What is abstract class
Ans. 
Abstract class is a class that cannot be instantiated and is used as a blueprint for other classes to inherit from.
• Cannot be instantiated directly

• Can have abstract methods that must be implemented by subclasses

• Can have non-abstract methods that can be inherited by subclasses

• Used to define common behavior for subclasses
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Q2. What are access modifier
Ans. 
Access modifiers are keywords in programming languages that define the accessibility of classes, methods, and variables.
• Access modifiers control the visibility and accessibility of classes, methods, and variables in a program.

• Common access modifiers include public, private, protected, and default (package-private).

• Public access modifier allows access from any other class.

• Private access modifier restricts access to only...read more
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Q1. Git version tool
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Q2. Project related question
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Q1. Salary expectation
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Q1. What is stored procedure?
Ans. 
Stored procedure is a precompiled collection of SQL statements that can be executed by calling the procedure name.
• Stored procedures are stored in the database and can be reused multiple times.

• They can accept input parameters and return output parameters.

• They help improve performance by reducing network traffic and improving security.

• Examples: sp_GetCustomerDetails, sp_InsertEmployee
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Q2. Difference between .net and c#
Ans. 
C# is a programming language while .NET is a framework that supports multiple languages including C#.
• C# is a programming language developed by Microsoft.

• .NET is a framework developed by Microsoft that supports multiple languages including C#.

• C# is used to write code, while .NET provides libraries and tools for building applications.

• C# code is compiled into Intermediate Language (IL) which runs on the .NET Common Langua
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Basic questions number, logical reasoning, apptitude, values, circle etc

Q1. Introduction to your self, which language do preference, Java, oops concepts
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Q2. Opp concepts , Java, HTML, CSS, javascript, PHP, python, SQL language questions basic knowledge
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Q3. Do you have completed any project
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Q4. What is method overloading
Ans. 
Method overloading is when multiple methods in a class have the same name but different parameters.
• Allows multiple methods with the same name but different parameters to be defined in a class

• The compiler determines which method to call based on the number and type of arguments passed

• Example: having multiple 'calculate' methods in a class with different parameter types like int, double, etc.
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Numerical reasoning test
verbal reasoning test
inductive reasoning test
cognitive ability test

Communication skills
ability to listen
ability to think
analysis the topics

Q1. Thread , list and map , collections,
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Q2. Ask everything according to my resume
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Q1. Java 8 , Springboot
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Q1. What is functional interface
Ans. 
A functional interface is an interface that contains only one abstract method.
• Functional interfaces can have multiple default or static methods, but only one abstract method.

• Functional interfaces are used in lambda expressions and method references.

• Examples of functional interfaces in Java include Runnable, Callable, and Comparator.
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